CO2 Sequestration in Saline Formation

Optimization of CO2 Sequestration in Saline Aquifers

For optimization of geological carbon sequestration (GCS) in saline aquifers, a genetic algorithm (GA) based optimizer has been developed and combined with the DOE multi-phase flow and heat transfer numerical simulation code TOUGH2 [1],[2]. Designated GA-TOUGH2, this combined solver/optimizer has been validated by performing optimization studies on a number of model problems and comparing the r...

Coupled Hydromechanical Modeling of Co2 Sequestration in Deep Saline Aquifers

Sequestration of carbon dioxide (CO2) in deep saline aquifers has emerged as an option for reducing greenhouse gas emissions to the atmosphere. The large amounts of supercritical CO2 that need to be injected into deep saline aquifers may cause large fluid pressure increases. The resulting overpressure may promote reactivation of sealed fractures or the creation of new ones in the caprock seal. ...

Numerical Simulation of CO2 Sequestration in Large Saline Aquifers

Efficient Parallel Simulation of CO2 Geologic Sequestration in Saline Aquifers

An efficient parallel simulator for large-scale, long-term CO2 geologic sequestration in saline aquifers has been developed. The parallel simulator is a three-dimensional, fully implicit model that solves large, sparse linear systems arising from discretization of the partial differential equations for mass and energy balance in porous and fractured media. The simulator is based on the ECO2N mo...

Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration

Saline aquifer geological carbon sequestration (SAGCS) is considered most attractive among other options for geological carbon sequestration (GCS) due to its huge sequestration capacity. However, in order to fully exploit its potential, efficient injection strategies need to be investigated for enhancing the storage efficiency and safety along with economic feasibility. In our previous work, we...